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EOS R6 Mark III

Canon

EOS R6 Mark III

Hybrid 32.5MP full-frame RF body with 7K RAW video, 40fps electronic burst, 8.5-stop IBIS, and Dual Pixel CMOS AF II.

$2,799

Launch price

Released Nov 2025

vs
Alpha 7 V

Sony

Alpha 7 V

33MP partially stacked Exmor RS hybrid with BIONZ XR2 AI, 30fps blackout-free burst, 7.5-stop IBIS, and 4K 60p oversampled from 7K.

$2,899

Launch price

Released Dec 2025

Released within a month of each other.

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Wins

11categories

EOS R6 Mark III

Sports & ActionPortrait

Wins

3categories

Alpha 7 V

WildlifePortrait

4 categories tied

TL;DR — Key differences

EOS R6 Mark III wins 5 categories·Alpha 7 V wins 0 categories
  • AEOS R6 Mark III has higher Max video bit rate (2600 Mbps vs 600 Mbps)
  • AEOS R6 Mark III has higher RAW buffer depth (150 frames vs 95 frames)
  • AEOS R6 Mark III has higher AF points / zones (1053 vs 759)
  • AEOS R6 Mark III has higher Burst (electronic) (40 fps vs 30 fps)
  • AEOS R6 Mark III has higher ISO max (native) (64,000 vs 51,200)

Key specs at a glance

EOS R6 Mark IIIAlpha 7 V
Resolution32.5 MP33 MP
SensorFull FrameFull Frame
ISO max64,00051,200
Burst40 fps30 fps
4K120 fps120 fps
IBIS8.5-stop7.5-stop
Weight699 g695 g
Battery640 shots630 shots

Size and weight, to scale

EOS R6 Mark III front view

EOS R6 Mark III

138 × 98 × 88 mm

699 g (1.54 lb / 24.66 oz)

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

for scale

Alpha 7 V front view

Alpha 7 V

130 × 96 × 82 mm

695 g (1.53 lb / 24.52 oz)

EOS R6 Mark III is 8mm wider, 2mm taller, and 6mm thicker than Alpha 7 V.

EOS R6 Mark III is 4 g heavier than Alpha 7 V.

Depth (front-to-back): 88mm EOS R6 Mark III · 82mm Alpha 7 V

Back view, to scale

Width × Height — same proportions as the front of the body.

EOS R6 Mark III back view

EOS R6 Mark III

138 × 98 mm

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

Alpha 7 V back view

Alpha 7 V

130 × 96 mm

Top view, to scale

Width × Depth (front-to-back) — see which body is chunkier on the table.

EOS R6 Mark III top view

EOS R6 Mark III

138 × 88 mm

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

Alpha 7 V top view

Alpha 7 V

130 × 82 mm

Sensor size, to scale

EOS R6 Mark III

35.9 × 23.9 mm · Full Frame

858 mm² area

Alpha 7 V

35.9 × 23.9 mm · Full Frame

858 mm² area

Lens ecosystem

Native lens selection

EOS R6 Mark III

Canon RF

105+

native lenses available

45 first-party60 third-party

Alpha 7 V

✓ more lenses

Sony E

350+

native lenses available

80 first-party270 third-party

Counts include current first-party and major third-party native autofocus lenses.

Use-case scoring

Which one for what?

Algorithmic scores from verified specs · 10 = best in class

Use caseEOS R6 Mark IIIAlpha 7 V
Portrait
8.0Excellent
8.0Excellent
Sports & Action
8.5Excellent✓ wins
8.0Excellent
Video & Hybrid
6.5Good
8.0Excellent✓ wins
Landscape
7.5Good
7.5Good
Travel
7.5Good
7.5Good
Wildlife
6.5Good
10.0Excellent✓ wins
Vlogging
5.5Fair
5.5Fair

Why pick one over the other

Reasons to choose

EOS R6 Mark III

  • AF low-light limit

    -6.5 EV vs -4 EV — lower is better

  • Subject recognition

    Adds People, Dogs, Cats…

  • Dimensions (W×H×D mm)

    Adds 138.4, 98.4, 88.4

  • Max video bit rate

    2600 Mbps vs 600 Mbps — higher is better

  • Codecs

    Adds CRM, XF-HEVC S, XF-AVC S

  • Card types

    Adds CFexpress Type B

  • RAW buffer depth

    150 frames vs 95 frames — higher is better

  • AF points / zones

    1053 vs 759 — higher is better

Reasons to choose

Alpha 7 V

  • Subject recognition

    Adds Human, Animal, Bird…

  • Dimensions (W×H×D mm)

    Adds 130.3, 96.4, 82.4

  • Codecs

    Adds XAVC HS, XAVC S, XAVC S-I

  • Card types

    Adds CFexpress Type A / SD UHS-II

  • EVF magnification

    0.78 × vs 0.76 × — higher is better

  • Resolution

    33 MP vs 32.5 MP — higher is better

  • Weight

    695 g vs 699 g — lower is better

Both cameras share

  • AA filterBoth support aa filter
  • ISO min (native)Both 100
  • Eye AFBoth support eye af
  • Animal / bird AFBoth support animal / bird af
  • Pre-Capture / Pre-ReleaseBoth support pre-capture / pre-release
  • 4K max frame rateBoth 120 fps

Pros & cons at a glance

Editorially curated highlights and trade-offs.

EOS R6 Mark III

Pros

  • 32.5MP full-frame sensor
  • 7K RAW video & 4K 120p
  • 40fps electronic burst with Pre-Continuous
  • 8.5-stop IBIS

Cons

  • Single CFexpress Type B + SD slot
  • Smaller LCD than R5 II
  • LP-E6P required for full features

Alpha 7 V

Pros

  • 33MP partially stacked sensor — ~4.5× faster readout than α7 IV
  • Blackout-free 30 fps with full AF/AE (electronic shutter)
  • 7.5-stop central / 6.5-stop peripheral IBIS (CIPA 2024)
  • 759-point phase-detect AF down to EV -4 with AI subject recognition
  • 7K oversampled 4K 60p (full-frame, no pixel binning) + 4K 120p
  • Pre-Capture and dual USB-C (10 Gbps + USB 2.0)
  • Up to 16 stops dynamic range

Cons

  • Premium price vs α7 IV
  • 4K 120p typically requires APS-C / Super 35 crop
  • Heavier than α7 IV (695 g vs 659 g with battery)
  • Complex menu and feature set

Decided which one is right for you?

Compare live prices for the EOS R6 Mark III and Alpha 7 V at major authorized retailers.

Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.

Full specifications

= category winner

EOS R6 Mark III
Alpha 7 V
Resolution
32.5 MP
33 MP+2%
Sensor type
Full Frame CMOS
Full Frame Exmor RS CMOS (partially stacked)
Sensor size
35.9 × 23.9 mm
35.9 × 23.9 mm
AA filter
Yes
Yes
EOS R6 Mark III
Alpha 7 V
Processor
DIGIC X
BIONZ XR2 + AI processing unit
EOS R6 Mark III
Alpha 7 V
ISO min (native)
100
100
ISO max (native)
64,000+0.3 stops
51,200
ISO max (expanded)
102,400
204,800
EOS R6 Mark III
Alpha 7 V
Shutter type
Mechanical / Electronic 1st Curtain + Electronic
Mechanical + Electronic
Max mechanical speed
1/8000 sec
1/8000 sec
Max electronic speed
1/16000 sec
1/16000 sec
EOS R6 Mark III
Alpha 7 V
AF system
Dual Pixel CMOS AF II
Fast Hybrid AF (phase-detection / contrast-detection)
AF points / zones
1053+39%
759
AF frame coverage
100 %+6%
94 %
AF low-light limit
-6.5 EV
-4 EV
Eye AF
Yes
Yes
Animal / bird AF
Yes
Yes
Subject recognition
People, Dogs, Cats, Birds, Horses, Cars, Motorbikes, Aircraft, Trains
Human, Animal, Bird, Insect, Car, Train, Airplane

Frequently asked

Quick answers generated from verified specs.

Which is better for wildlife, EOS R6 Mark III or Alpha 7 V?

Alpha 7 V scores 10.0/10 versus 6.5/10 for EOS R6 Mark III — 30fps burst captures fleeting moments.

What's the resolution difference between the EOS R6 Mark III and Alpha 7 V?

EOS R6 Mark III is 32.5 MP and Alpha 7 V is 33 MP, so the Alpha 7 V captures more detail for cropping and large prints.

Do the EOS R6 Mark III and Alpha 7 V have in-body image stabilization?

EOS R6 Mark III has 8.5-stop in-body image stabilization, while alpha 7 V has 7.5-stop in-body image stabilization.

Which shoots faster bursts — the EOS R6 Mark III or the Alpha 7 V?

EOS R6 Mark III reaches 40 fps electronic. Alpha 7 V reaches 30 fps electronic.

What's the weight difference between the EOS R6 Mark III and Alpha 7 V?

EOS R6 Mark III weighs 699 g and Alpha 7 V weighs 695 g, so the Alpha 7 V is 4 g lighter.

Do the EOS R6 Mark III and Alpha 7 V record 4K video?

EOS R6 Mark III: 4K up to 120p. Alpha 7 V: 4K up to 120p.

Are the EOS R6 Mark III and Alpha 7 V weather sealed?

EOS R6 Mark III: Yes. Alpha 7 V: Yes.

Which has better battery life?

Rated battery life is 640 shots (CIPA) for the EOS R6 Mark III and 630 shots for the Alpha 7 V, giving the EOS R6 Mark III the edge.

How much does each cost?

EOS R6 Mark III launched at $2,799 and Alpha 7 V at $2,899. The EOS R6 Mark III is $100 less.

Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.

Product images courtesy of Canon and Sony press materials.